Uninstall Windows Service注意的事项

使用installutil /u serviceassembly，再次安装时抱错

Running a transacted installation.

Beginning the Install phase of the installation.
See the contents of the log file for the .../obj/release/ncsscanner.exe assembly's progress.
The file is located at .../obj/release/ncsscanner.InstallLog.

An exception occurred during the Install phase.
System.ComponentModel.Win32Exception: 指定的服務已標註刪除。

The Rollback phase of the installation is beginning.
See the contents of the log file for the .../obj/release/ncsscanner.exe assembly's progress.
The file is located at .../obj/release/ncsscanner.InstallLog.

The Rollback phase completed successfully.

The transacted install has completed.

 

原因居然是uninstall时开着services.msc，faint...